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mongo --port 27017 -u myUserAdmin -p 'abc123' --authenticationDatabase 'admin'
找不到es2015
添加了.babelrc文件之后报错:
Module build failed: Error: Couldn't find preset "es2015" relative to directory "E:\\github\\pets"
解决方案:
npm install --save-dev babel-preset-es2015
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使用 ... 扩展符 报Unexpected token错误
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解决方法:
babel还要加插件才能解释这个写法
npm install --save-dev babel-plugin-transform-object-rest-spread
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下载完插件后在.babelrc添加插件
{"plugins": ["transform-object-rest-spread"]}
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